Geochemical investigation of alluvial sediments: validation of ICP-OES determination of heavy metals. A case study from the Utrata River Valley (central Poland)

Central European Journal of Chemistry Pub Date : 2014-06-01 DOI:10.2478/s11532-014-0520-8

M. Biro, Darja Kavšek, J. Karasiński, P. Szwarczewski, E. Bulska, D. Vončina

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引用次数: 9

Abstract

The development and validation of a reliable analytical procedure for the determination of selected metals (Cd, Cr, Cu, Pb, Zn and Mn) in sediments accumulated in the Utrata River (Poland) is described. The aqua regia extraction followed by inductively coupled plasma optical emission spectrometry (ICP-OES) was used for this purpose. The optimized analytical procedure was validated, and adequate quality control actions were implemented in order to provide reliable data. The precision under’ within-laboratory’ reproducibility conditions was estimated from duplicate analysis. Certified reference material (CRM) was used in order to evaluate the accuracy of the results regarding the sewage sludge amended soil CRM 143R. The detection limits for all elements of interest were well-below their content in the investigated sediment samples. The obtained reliable data could be used for assessment of the relationship between human economic activity in the past and the geochemical features of the sediments.

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冲积沉积物的地球化学研究:ICP-OES测定重金属的验证。乌特拉塔河谷(波兰中部)案例研究

描述了一种可靠的分析方法的开发和验证，用于测定乌特拉塔河(波兰)沉积物中选定的金属(Cd, Cr, Cu, Pb, Zn和Mn)。采用王水萃取后电感耦合等离子体发射光谱法(ICP-OES)测定。验证了优化的分析方法，并实施了充分的质量控制措施，以提供可靠的数据。“实验室内”重现性条件下的精密度由重复分析估计。采用标准物质(CRM)对污水污泥改性土壤CRM 143R测定结果的准确性进行了评价。所有感兴趣的元素的检出限都远低于所调查的沉积物样品中的含量。所获得的可靠数据可用于评价过去人类经济活动与沉积物地球化学特征之间的关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Central European Journal of Chemistry 化学-化学综合

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审稿时长

3 months